m-Series Mini On-Off Battery Switch with Key - BlackSwitches a single battery to a single load group Ignition protected-safe for installation aboard gasoline powered boats.Case design allows surface, front panel, or rear panel mounting Isolating cover with snap-on sections protects rear contacts.Switch Type: Single Circuit ON-OFFColor: BlackSwitch Positions: 2Battery Combine: NoAlternator Field Disconnect: NoMaximum Voltage: 48V DCContinuous Rating : 300AIntermittent Rating : 500A (5 min)Cranking Rating 10 sec: 1500ACranking Rating 1 min: 775ABattery Inputs: 1Cable Clearance For 4/0 AWG Cables: 1.12in (28.45 mm)Cable Size to Meet Ratings: 4/0 AWG (120mm²)Mounting Holes: Accept #10 ScrewTerminal Stud Size: 3/8"-16 (M10)Terminal Stud Torque: 120 in-lb (13.56 Nm)Weight: 0.62lb (0.28/ kg)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.